#!/bin/bash
+#
+# Builds custom BootCD ISO and USB images in the current
+# directory. For backward compatibility, if an old-style static
+# configuration is specified, that configuration file will be parsed
+# instead of the current PLC configuration in
+# /etc/planetlab/plc_config.
+#
+# Aaron Klingaman <alk@absarokasoft.com>
+# Mark Huang <mlhuang@cs.princeton.edu>
+# Copyright (C) 2004-2006 The Trustees of Princeton University
+#
+# $Id$
+#
+
+PATH=/sbin:/bin:/usr/sbin:/usr/bin
+
+CONFIGURATION=default
+NODE_CONFIGURATION_FILE=
+
+usage()
+{
+ echo "Usage: build.sh [OPTION]..."
+ echo " -c name (Deprecated) Static configuration to use (default: $CONFIGURATION)"
+ echo " -f planet.cnf Node to customize CD for (default: none)"
+ echo " -h This message"
+ exit 1
+}
+# Get options
+while getopts "c:f:h" opt ; do
+ case $opt in
+ c)
+ CONFIGURATION=$OPTARG
+ ;;
+ f)
+ NODE_CONFIGURATION_FILE=$OPTARG
+ ;;
+ h|*)
+ usage
+ ;;
+ esac
+done
+
+# Do not tolerate errors
set -e
-BOOTCD_VERSION="3.0"
-FULL_VERSION_STRING="PlanetLab BootCD $BOOTCD_VERSION"
-
-SYSLINUX_SRC=sources/syslinux-2.11.tar.bz2
-
-ISO=cd.iso
-
-CD_ROOT=`pwd`/cdroot
-ROOT_PASSWD='$1$IdEn2srw$/TfrjZSPUC1xP244YCuIi0'
-
-BOOTCD_YUM_GROUP=BootCD
-
-CDRECORD_FLAGS="-v -dao -blank=fast"
-
-CONF_FILES_DIR=conf_files/
+# Change to our source directory
+srcdir=$(cd $(dirname $0) && pwd -P)
+pushd $srcdir
-# location of the uncompressed ramdisk image
-INITRD=$CD_ROOT/usr/isolinux/initrd
+# Root of the isofs
+isofs=$PWD/build/isofs
-# temporary mount point for rd
-INITRD_MOUNT=`pwd`/rd
-
-# size of the ram disk in MB
-RAMDISK_SIZE=48
+# Build reference image if it does not exist. This should only need to
+# be executed once at build time, never at run time.
+if [ ! -f $isofs/bootcd.img ] ; then
+ ./prep.sh
+fi
-# the bytes per inode ratio (the -i value in mkfs.ext2) for the ramdisk
-INITRD_BYTES_PER_INODE=1024
+# build/version.txt written by prep.sh
+BOOTCD_VERSION=$(cat build/version.txt)
+if [ -f /etc/planetlab/plc_config ] ; then
+ # Source PLC configuration
+ . /etc/planetlab/plc_config
+fi
-function build_cdroot()
-{
- if [ -f $CD_ROOT/.built ]; then
- echo "cd root already built, skipping"
- return
+# If PLC configuration is not valid, try a static configuration
+if [ -z "$PLC_BOOT_CA_SSL_CRT" -a -d configurations/$CONFIGURATION ] ; then
+ # (Deprecated) Source static configuration
+ . configurations/$CONFIGURATION/configuration
+ PLC_NAME="PlanetLab"
+ PLC_MAIL_SUPPORT_ADDRESS="support@planet-lab.org"
+ PLC_WWW_HOST="www.planet-lab.org"
+ PLC_WWW_PORT=80
+ if [ -n "$EXTRA_VERSION" ] ; then
+ BOOTCD_VERSION="$BOOTCD_VERSION $EXTRA_VERSION"
fi
-
- clean
-
- mkdir -p $CD_ROOT/dev/pts
- mkdir -p $CD_ROOT/proc
- mkdir -p $CD_ROOT/etc
-
- echo "copy fstab and mtab"
- cp -f $CONF_FILES_DIR/fstab $CD_ROOT/etc/
- cp -f $CONF_FILES_DIR/mtab $CD_ROOT/etc/
-
- echo "setup rpm to install only en_US locale and no docs"
- mkdir -p $CD_ROOT/etc/rpm
- cp -f $CONF_FILES_DIR/macros $CD_ROOT/etc/rpm
-
- echo "initialize rpm db"
- mkdir -p $CD_ROOT/var/lib/rpm
- rpm --root $CD_ROOT --initdb
-
- echo "install boot cd base rpms"
- yum -c yum.conf --installroot=$CD_ROOT -y groupinstall $BOOTCD_YUM_GROUP
-
- echo "removing unneccessary build files"
- (cd $CD_ROOT/lib/modules && \
- find ./ -type d -name build -maxdepth 2 -exec rm -rf {} \;)
-
- echo "setting up non-ssh authentication"
- mkdir -p $CD_ROOT/etc/samba
- chroot $CD_ROOT /usr/sbin/authconfig --nostart --kickstart \
- --enablemd5 --enableshadow
-
- echo "setting root password"
- sed -i "s#root::#root:$ROOT_PASSWD:#g" $CD_ROOT/etc/shadow
-
- echo "relocate some large directories out of the root system"
- # get /var/lib/rpm out, its 12mb. create in its place a
- # symbolic link to /usr/relocated/var/lib/rpm
- mkdir -p $CD_ROOT/usr/relocated/var/lib/
- mv $CD_ROOT/var/lib/rpm $CD_ROOT/usr/relocated/var/lib/
- (cd $CD_ROOT/var/lib && ln -s ../../usr/relocated/var/lib/rpm rpm)
-
- # get /lib/tls out
- mkdir -p $CD_ROOT/usr/relocated/lib
- mv $CD_ROOT/lib/tls $CD_ROOT/usr/relocated/lib/
- (cd $CD_ROOT/lib && ln -s ../usr/relocated/lib/tls tls)
-
- echo "extracting syslinux, copying isolinux files to cd"
- mkdir -p syslinux
- mkdir -p $CD_ROOT/usr/isolinux/
- tar -C syslinux -xjvf $SYSLINUX_SRC
- find syslinux -name isolinux.bin -exec cp -f {} $CD_ROOT/usr/isolinux/ \;
-
- echo "moving kernel to isolinux directory"
- KERNEL=$CD_ROOT/boot/vmlinuz-*
- mv -f $KERNEL $CD_ROOT/usr/isolinux/kernel
-
- echo "creating version files"
- echo "$FULL_VERSION_STRING" > $CD_ROOT/usr/isolinux/pl_version
- echo "$FULL_VERSION_STRING" > $CD_ROOT/pl_version
-
- touch $CD_ROOT/.built
-}
-
-function build_initrd()
-{
- echo "building initrd"
- rm -f $INITRD
- rm -f $INITRD.gz
-
- echo "copy fstab and mtab"
- cp -f $CONF_FILES_DIR/fstab $CD_ROOT/etc/
- cp -f $CONF_FILES_DIR/mtab $CD_ROOT/etc/
-
- echo "installing generic modprobe.conf"
- cp -f $CONF_FILES_DIR/modprobe.conf $CD_ROOT/etc/
-
- echo "installing our own inittab and init scripts"
- cp -f $CONF_FILES_DIR/inittab $CD_ROOT/etc
- cp -f $CONF_FILES_DIR/pl_sysinit $CD_ROOT/etc/init.d/
- cp -f $CONF_FILES_DIR/pl_hwinit $CD_ROOT/etc/init.d/
-
- echo "setup basic networking files"
- cp -f $CONF_FILES_DIR/hosts $CD_ROOT/etc/
-
- echo "copying isolinux configuration files"
- cp -f $CONF_FILES_DIR/isolinux.cfg $CD_ROOT/usr/isolinux/
- echo "$FULL_VERSION_STRING" > $CD_ROOT/usr/isolinux/message.txt
-
- echo "making the isolinux initrd kernel command line match rd size"
- let INITRD_SIZE_KB=$(($RAMDISK_SIZE * 1024))
- sed -i "s#ramdisk_size=0#ramdisk_size=$INITRD_SIZE_KB#g" \
- $CD_ROOT/usr/isolinux/isolinux.cfg
-
- echo "building pcitable for hardware detection"
- pci_map_file=`find $CD_ROOT/lib/modules/ -name modules.pcimap | head -1`
- ./scripts/rewrite-pcitable.py $pci_map_file $CD_ROOT/etc/pl_pcitable
-
- dd if=/dev/zero of=$INITRD bs=1M count=$RAMDISK_SIZE
- mkfs.ext2 -F -m 0 -i $INITRD_BYTES_PER_INODE $INITRD
- mkdir -p $INITRD_MOUNT
- mount -o loop,rw $INITRD $INITRD_MOUNT
-
- echo "copy all files except usr to ramdisk"
- (cd $CD_ROOT && find . -path ./usr -prune -o -print | \
- cpio -p -d -u $INITRD_MOUNT)
-
- umount $INITRD_MOUNT
- rmdir $INITRD_MOUNT
-
- echo "compressing ramdisk"
- gzip $INITRD
-}
-
-function build_iso()
-{
- echo "building iso"
- rm -f $ISO
- mkisofs -o $ISO -R -allow-leading-dots -J -r -b isolinux/isolinux.bin \
- -c isolinux/boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table \
- -V PlanetLab-3-0 $CD_ROOT/usr
-}
-
-function burn()
-{
- cdrecord $CDRECORD_FLAGS -data $ISO
-}
-
-function clean()
-{
- echo "removing built files"
- rm -rf cdroot
- rm -rf syslinux
- rm -rf $INITRD_MOUNT
- rm -f $ISO
-}
-
-
-if [ "$1" == "clean" ]; then
- clean
- exit
+ PLC_BOOT_HOST=$PRIMARY_SERVER
+ PLC_BOOT_SSL_PORT=$PRIMARY_SERVER_PORT
+ PLC_BOOT_CA_SSL_CRT=configurations/$CONFIGURATION/$PRIMARY_SERVER_CERT
+ PLC_ROOT_GPG_KEY_PUB=configurations/$CONFIGURATION/$PRIMARY_SERVER_GPG
fi
-if [ "$1" == "burn" ]; then
- build_iso
- burn
- exit
+FULL_VERSION_STRING="$PLC_NAME BootCD $BOOTCD_VERSION"
+
+# Root of the ISO and USB images
+overlay=$(mktemp -d /tmp/overlay.XXXXXX)
+install -d -m 755 $overlay
+trap "rm -rf $overlay" ERR
+
+# Create version files
+echo "* Creating version files"
+
+# Boot Manager compares pl_version in both places to make sure that
+# the right CD is mounted. We used to boot from an initrd and mount
+# the CD on /usr. Now we just run everything out of the initrd.
+for file in $overlay/pl_version $overlay/usr/isolinux/pl_version ; do
+ mkdir -p $(dirname $file)
+ echo "$FULL_VERSION_STRING" >$file
+done
+
+# Install boot server configuration files
+echo "* Installing boot server configuration files"
+
+# We always intended to bring up and support backup boot servers,
+# but never got around to it. Just install the same parameters for
+# both for now.
+for dir in $overlay/usr/boot $overlay/usr/boot/backup ; do
+ install -D -m 644 $PLC_BOOT_CA_SSL_CRT $dir/cacert.pem
+ install -D -m 644 $PLC_ROOT_GPG_KEY_PUB $dir/pubring.gpg
+ echo "$PLC_BOOT_HOST" >$dir/boot_server
+ echo "$PLC_BOOT_SSL_PORT" >$dir/boot_server_port
+ echo "/boot/" >$dir/boot_server_path
+done
+
+# (Deprecated) Install old-style boot server configuration files
+install -D -m 644 $PLC_BOOT_CA_SSL_CRT $overlay/usr/bootme/cacert/$PLC_BOOT_HOST/cacert.pem
+echo "$FULL_VERSION_STRING" >$overlay/usr/bootme/ID
+echo "$PLC_BOOT_HOST" >$overlay/usr/bootme/BOOTSERVER
+echo "$PLC_BOOT_HOST" >$overlay/usr/bootme/BOOTSERVER_IP
+echo "$PLC_BOOT_SSL_PORT" >$overlay/usr/bootme/BOOTPORT
+
+# Generate /etc/issue
+echo "* Generating /etc/issue"
+
+if [ "$PLC_WWW_PORT" = "443" ] ; then
+ PLC_WWW_URL="https://$PLC_WWW_HOST/"
+elif [ "$PLC_WWW_PORT" != "80" ] ; then
+ PLC_WWW_URL="http://$PLC_WWW_HOST:$PLC_WWW_PORT/"
+else
+ PLC_WWW_URL="http://$PLC_WWW_HOST/"
fi
-if [ "$1" == "force" ]; then
- clean
+mkdir -p $overlay/etc
+cat >$overlay/etc/issue <<EOF
+$FULL_VERSION_STRING
+$PLC_NAME Node: \n
+Kernel \r on an \m
+$PLC_WWW_URL
+
+This machine is a node in the $PLC_NAME distributed network. It has
+not fully booted yet. If you have cancelled the boot process at the
+request of $PLC_NAME Support, please follow the instructions provided
+to you. Otherwise, please contact $PLC_MAIL_SUPPORT_ADDRESS.
+
+Console login at this point is restricted to root. Provide the root
+password of the default $PLC_NAME Central administrator account at the
+time that this CD was created.
+
+EOF
+
+# Set root password
+echo "* Setting root password"
+
+if [ -z "$ROOT_PASSWORD" ] ; then
+ # Generate an encrypted password with crypt() if not defined
+ # in a static configuration.
+ ROOT_PASSWORD=$(python <<EOF
+import crypt, random, string
+salt = [random.choice(string.letters + string.digits + "./") for i in range(0,8)]
+print crypt.crypt('$PLC_ROOT_PASSWORD', '\$1\$' + "".join(salt) + '\$')
+EOF
+)
fi
-# build base image via yum
-build_cdroot
+# build/passwd copied out by prep.sh
+sed -e "s@^root:[^:]*:\(.*\)@root:$ROOT_PASSWORD:\1@" build/passwd \
+ >$overlay/etc/passwd
-# always build/rebuild initrd
-build_initrd
+# Install node configuration file (e.g., if node has no floppy disk or USB slot)
+if [ -f "$NODE_CONFIGURATION_FILE" ] ; then
+ echo "* Installing node configuration file"
+ install -D -m 644 $NODE_CONFIGURATION_FILE $overlay/usr/boot/plnode.txt
+fi
-build_iso
+# Pack overlay files into a compressed archive
+echo "* Compressing overlay image"
+(cd $overlay && find . | cpio --quiet -c -o) | gzip -9 >$isofs/overlay.img
+
+rm -rf $overlay
+trap - ERR
+
+# Calculate ramdisk size (total uncompressed size of both archives)
+ramdisk_size=$(gzip -l $isofs/bootcd.img $isofs/overlay.img | tail -1 | awk '{ print $2; }') # bytes
+ramdisk_size=$(($ramdisk_size / 1024)) # kilobytes
+
+# Write isolinux configuration
+echo "$FULL_VERSION_STRING" >$isofs/pl_version
+cat >$isofs/isolinux.cfg <<EOF
+DEFAULT kernel
+APPEND ramdisk_size=$ramdisk_size initrd=bootcd.img,overlay.img root=/dev/ram0 rw
+DISPLAY pl_version
+PROMPT 0
+TIMEOUT 40
+EOF
+
+# Change back to output directory
+popd
+
+# Create ISO image
+echo "* Creating ISO image"
+iso="$PLC_NAME-BootCD-$BOOTCD_VERSION.iso"
+mkisofs -o "$iso" \
+ -R -allow-leading-dots -J -r \
+ -b isolinux.bin -c boot.cat \
+ -no-emul-boot -boot-load-size 4 -boot-info-table \
+ $isofs
+
+# Create USB image
+echo "* Creating USB image"
+usb="$PLC_NAME-BootCD-$BOOTCD_VERSION.usb"
+
+# Leave 1 MB of free space on the VFAT filesystem
+mkfs.vfat -C "$usb" $(($(du -sk $isofs | awk '{ print $1; }') + 1024))
+
+# Mount it
+tmp=$(mktemp -d /tmp/bootcd.XXXXXX)
+mount -o loop "$usb" $tmp
+trap "umount $tmp; rm -rf $tmp" ERR
+
+# Populate it
+echo "* Populating USB image"
+(cd $isofs && find . | cpio -p -d -u $tmp/)
+
+# Use syslinux instead of isolinux to make the image bootable
+mv $tmp/isolinux.cfg $tmp/syslinux.cfg
+umount $tmp
+rmdir $tmp
+trap - ERR
+
+echo "* Making USB image bootable"
+$srcdir/syslinux/unix/syslinux "$usb"
+
+exit 0